.main {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to left, #323c5e, #503648);
    position: absolute;
    top: 0;
    left: 0;
}

.box {
    width: 380px;
    padding: 25px;
    line-height: 67px;
    /* margin: 10px; */
    background-color: #fff;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 3%;
}

.box h1 {
    text-align: center;
}

.index .header {
    background-color: orange;
    color: #fff;
    font-size: 20px;
}

.index .der {
    width: 100vw;
    height: 100vh;
    background-color: #fff;
}

.div1 {
    padding: 10px;
    margin: 10px;
}

.div2 {
    margin: 10px;
}